using FlowerShopContracts.StoragesContracts;
using System.Reflection;

namespace FlowerShopFileImplement.Implements
{
	public class BackUpInfo : IBackUpInfo
	{
		private readonly DataFileSingleton _source;
		private readonly PropertyInfo[] _sourceProperties;

		public BackUpInfo()
		{
			_source = DataFileSingleton.GetInstance();
			_sourceProperties = _source.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public);
		}

		public List<T>? GetList<T>() where T : class, new()
		{
			var RequredType = typeof(T);

			return (List<T>?)_sourceProperties
				.FirstOrDefault(x => x.PropertyType.IsGenericType && x.PropertyType.GetGenericArguments()[0] == RequredType)
				?.GetValue(_source);
		}

		public Type? GetTypeByModelInterface(string ModelInterfaceName)
		{
			var Assembly = typeof(BackUpInfo).Assembly;
			var Types = Assembly.GetTypes();

			foreach (var Type in Types)
			{
				if (Type.IsClass && Type.GetInterface(ModelInterfaceName) != null)
				{
					return Type;
				}
			}

			return null;
		}
	}
}